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x86: allow user to impress friends.

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Impressing friends is a very important thing.
Do it in a separate function to make it even more
explicit, and ease integration.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber de Oliveira Costa
2008-03-19 14:25:27 -03:00
committed by Ingo Molnar
parent e1a14d0c13
commit 904541e2f7
2 changed files with 22 additions and 15 deletions
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20
arch/x86/kernel/smpboot.c
View File

@@ -228,6 +228,26 @@ void __init smp_alloc_memory(void)
} }
#endif #endif
void impress_friends(void)
{
int cpu;
unsigned long bogosum = 0;
/*
* Allow the user to impress friends.
*/
Dprintk("Before bogomips.\n");
for_each_possible_cpu(cpu)
if (cpu_isset(cpu, cpu_callout_map))
bogosum += cpu_data(cpu).loops_per_jiffy;
printk(KERN_INFO
"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
cpus_weight(cpu_present_map),
bogosum/(500000/HZ),
(bogosum/(5000/HZ))%100);
Dprintk("Before bogocount - setting activated=1.\n");
}
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_CPU
void remove_siblinginfo(int cpu) void remove_siblinginfo(int cpu)
{ {

17
arch/x86/kernel/smpboot_32.c
View File

@@ -790,13 +790,13 @@ static int __init smp_sanity_check(unsigned max_cpus)
return 0; return 0;
} }
extern void impress_friends(void);
/* /*
* Cycle through the processors sending APIC IPIs to boot each. * Cycle through the processors sending APIC IPIs to boot each.
*/ */
static void __init smp_boot_cpus(unsigned int max_cpus) static void __init smp_boot_cpus(unsigned int max_cpus)
{ {
int apicid, cpu, bit, kicked; int apicid, cpu, bit, kicked;
unsigned long bogosum = 0;
/* /*
* Setup boot CPU information * Setup boot CPU information
@@ -863,20 +863,7 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
*/ */
smpboot_restore_warm_reset_vector(); smpboot_restore_warm_reset_vector();
/* impress_friends();
* Allow the user to impress friends.
*/
Dprintk("Before bogomips.\n");
for_each_possible_cpu(cpu)
if (cpu_isset(cpu, cpu_callout_map))
bogosum += cpu_data(cpu).loops_per_jiffy;
printk(KERN_INFO
"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
cpus_weight(cpu_present_map),
bogosum/(500000/HZ),
(bogosum/(5000/HZ))%100);
Dprintk("Before bogocount - setting activated=1.\n");
if (smp_b_stepping) if (smp_b_stepping)
printk(KERN_WARNING "WARNING: SMP operation may be unreliable with B stepping processors.\n"); printk(KERN_WARNING "WARNING: SMP operation may be unreliable with B stepping processors.\n");